問題詳情
76.使用分子舗式氧氣濃縮機,當氧氣流速開在5Lmi時,其輸出的氧氣濃度通常為:
(A)99%
(B)96~98%%
(C)92~95%
(D)85~93%
(A)99%
(B)96~98%%
(C)92~95%
(D)85~93%
參考答案
答案：D
難度：困難0.3
書單：沒有書單，新增
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